(From:Ayn Rand ---Capitalism: The Unknown Ideal)
"The common good" (or "the public interest") is an undefined and undefinable concept
There is no such entity as "the tribe" or "the public"
The tribe (or the public or society) is only a number of individual men
Nothing can be good for the tribe as such
"Good" and "value" pertain only to a living organism
To an individual living organism
Not to a disembodied aggregate of relationships
When "the common good" of a society is regarded as something apart from and superior to the individual good of its members
It means that the good of some men takes precedence over the good of others
With those others consigned to the status of sacrificial animals
What makes the victims accept this and permit a society to perpetrate a moral atrocity of that kind
The answer lies in philosophy — in philosophical theories on the nature of moral values